Lamp



FIG. 1 is a front view of a lamp;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a rear perspective view thereof; and,

FIG. 8 is a front perspective view thereof.

The broken-line disclosure represents unclaimed portions of the lamp in which the claimed design is embodied. 

CLAIM The ornamental design for a lamp, as shown and described. 